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Browse High School History/Biography
Stars indicate particularly interesting answers or
good places to begin browsing.
 Formula for Easter [06/12/1999]

Is there a formula for finding the month and the day on which Easter
falls in a given year?
 FourColor Map Problem: Some History [12/10/1997]

Could you please give me the history of this topic?
 Galley or Scratch Method of Division [12/08/2002]

In the 15th century, what was the method for performing division?
 Gallons and Cubic Inches [09/04/2001]

I know that 1 gallon is 231 cubic inches, based on the old English "wine
gallon" unit. Why was the number 231 used?
 Garfield's Pythagorean Theorem Proof [02/27/1997]

Which President of the United States wrote a proof of the Pythagorean
Theorem? On what did he base his proof?
 Geometry History [8/8/1996]

I'm looking information about the history of Geometry.
 Golden Rectangle History [9/7/1996]

What is the history of the golden rectangle? When was it discovered and
by whom?
 Halving and Halving Again  Zeno's Paradox [8/22/1996]

Since we can never really get to zero by reducing something by halves,
does that mean that we are floating on air?
 Harmonic Mean [12/15/1996]

What is the harmonic mean and how do you use it?
 Hebrew Mathematics [09/21/2000]

I need to write a onepage article on the Hebrew mathematics system.
 History and Applications of the Natural Logarithm [03/02/1998]

I'm so surprised at how often the number e comes up. Where did it come
from? Who first derived it? Why is it so common in the field of biology?
 History and Discovery of Imaginary Numbers [02/28/2006]

How do mathematicians decide to create something like imaginary
numbers and the square root of 1 being (i)?
 History and Origination of the Metric System [08/13/2005]

Who invented the metric system?
 History of Calculating Pi [05/20/1998]

How have the formulas for pi evolved throughout mathematical history?
 History of Circle Area Formula [03/19/2007]

Do we know who figured out that pi*r^2 gives the area of a circle?
 History of Complex Numbers [12/12/2005]

Why were complex numbers invented?
 History of DeMoivre's Theorem [11/14/1997]

What is the history behind DeMoivre's theorem  did he base it on the
work of predecessors?
 History of Exponent Notation [11/03/2003]

Why is the symbol for exponents a smaller number above the base? How
did it become this? What is the history of it?
 History of Imaginary Numbers [03/09/2001]

Who invented imaginary numbers?
 The History of Numbers and Numerals [12/08/1998]

Can you give me some information on the history of numbers? How were they
developed and where are they used?
 History of Numerals and Counting: Bibliography [11/18/1996]

Where do I find information on different systems of measurements?
 History of Numerals and Symbols [06/22/1998]

Why and when did the change from Roman to HindoArabic numerals occur?
What is the history of +, , =, /, etc.?
 History of Odd and Even Numbers [02/12/2004]

Who invented the names 'odd' and 'even' numbers? When did they first
start being used?
 History of Properties [12/11/2001]

Who invented the properties? For example, the distributive property and
the associative property.
 History of the Fraction Bar [09/01/2005]

What is the original name of the fraction bar? I know it is called the
vinculum, but was that the original name? If not, what was it
originally called?
 History of the Mile [08/25/2002]

Why are there 5,280 feet in a mile?
 History of the Order of Operations [11/22/2000]

Can you give me some facts and conjectures about when, where, and why the
order of operations was established?
 History of the Radical Sign [04/17/1997]

Who invented the radical sign?
 History of the Root of an Equation [11/01/2007]

Why are solutions to equations referred to as roots?
 History of the Word 'Exponent' [11/26/2003]

Who came up with the name 'exponent'?
 History of the Word "Polynomial" [10/18/2006]

My teacher asked me to find the meaning of "mials" in the word
polynomials. I know "poly" means "many" but what is the meaning of
"mials" or "nomials"? And from which language did it come?
 History of the yintercept [03/18/2002]

Why does the variable 'b' represent the yintercept?
 History of Writing Decimals and Number Lines [10/28/1998]

Why, on a number line, are the negative numbers are on the left? When you
deal with decimals, why are the whole numbers are on the left?
 History of Zero and Place Value [02/17/1999]

Where were zero and place value invented or discovered?
 How Can a Line Have Length? [04/14/1998]

If a Euclidean point has no length, how can a union of Euclidean points
form a Euclidean line segment with length?
 How Did Socrates Teach the Boy to Double the Area of a Square? [06/15/2010]

Reading Plato's Meno leaves a student confused about how the ancient Greeks scaled
squares. Doctor Rick walks through this story of Socrates and his method,
emphasizing that they would have approached this puzzle  as well as the
Pythagorean Theorem  geometrically.
 How Long is a Meter? a Second? [09/06/2001]

How is the length of a meter currently determined?
 How to Use a Chinese Abacus [06/24/2004]

An introduction to how the abacus works and examples of entering,
reading and adding numbers using it.
 How Was the Pythagorean Thoerem Proved? [06/05/2006]

How did Pythagoras derive the Pythagorean Theorem?
 Imaginary Numbers [10/11/1997]

Who invented the imaginary number?
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